/*
 * Copyright 2019 liuburu@qq.com.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.example.demo.controller;

import org.springframework.context.annotation.Scope;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

/**
 * 描述：测试控制器
 *
 * @author kiwipeach
 * @create 2019-11-29
 */
@RestController
@Scope("singleton")
public class DemoController {

    private int n = 0;
    ThreadLocal<Integer> threadLocal = new ThreadLocal<>();

    @RequestMapping("demo")
    public int sayHello() {
        Integer i = threadLocal.get();
        if(i == null){
            threadLocal.set(0);
        }else{
            threadLocal.set(++i);
        }
        return threadLocal.get();
    }
}
